Hyden, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.8 °C (low) to 19.4 °C (high). Annual precipitation averages 1319.8 Millimeters. Hyden is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.1 °C | 7.1 °C | 105.92 mm |
| February | -2.8 °C | 9.2 °C | 100.84 mm |
| March | 0.7 °C | 14.4 °C | 124.21 mm |
| April | 5.7 °C | 20.5 °C | 120.9 mm |
| May | 11.1 °C | 24.3 °C | 122.43 mm |
| June | 15.6 °C | 27.9 °C | 133.6 mm |
| July | 18.1 °C | 29.4 °C | 133.1 mm |
| August | 17.4 °C | 29.3 °C | 106.43 mm |
| September | 13.7 °C | 26.3 °C | 84.84 mm |
| October | 6.7 °C | 20.8 °C | 77.22 mm |
| November | 0.9 °C | 14.6 °C | 83.57 mm |
| December | -1.9 °C | 9.1 °C | 126.75 mm |
| Annual | 6.8 °C | 19.4 °C | 1319.81 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |